Surface treatment: black oxide; hole thread size designator (2) holes no. 0(0.060")-80 and (1) hole no. 2(0.086")-56; threaded hole location: (2) no. 0(0.060") holes through hub located 0.093" from end of hub, (1) no. 2(0.086") hole located 90 deg. From no. 0 holes; threaded hole qty: 3; securing method: threaded hole; bore counterbore feature: included; keying facility: not included; counterbore location: coupling end; hub od: 0.255" nom.; thread provision: unthreaded; flange thickness: 0.187" nom.; counterbore depth: 0.060" nom.; counterbore dia.: 0.156" nom.
No other part numbers with same form, fit, and function found.
A mechanical item used to connect a shaft and the mating member of a flexible or rigid coupling.
Classification: Shaft couplings, except universal joints
NSN 6620-01-611-7907
NSN 6645-01-130-2391
NSN 4140-01-490-0200
NSN 6240-00-560-5426
NSN 5996-01-519-3330
NSN 6620-00-008-0213
NSN 6650-00-896-6789
NSN 5950-01-091-3691
NSN 5855-00-055-1694
NSN 5905-01-204-8306
NSN 6645-01-196-6277
NSN 6610-00-689-9457